Multiple Choice
Which statement about the Cambrian is true?
A) The Burgess Shale is a Cambrian fossil bed.
B) The first multicellular life occurred during the Cambrian.
C) It marks the end of the Paleozoic era.
D) Oxygen concentrations were much lower during the Cambrian than they are today.
E) It came after the Ordovician.
Correct Answer:
Verified
Correct Answer:
Verified
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